<span>This is referred to as Urban Overloa. Milgram explained this would occur when developing the urban overload hypothesis. Those who dwell in large cities are often exposed to constant stimulus, eventually it becomes too much for one person to handle.</span>
The Black Land was the only ground the Egyptians could use to grown crops. Every year a layer of black silt deposit appeared after the flooding of the Nile which made the ground real fertile for their crops.
